panic: interface conversion: vfs.DentryImpl is *tmpfs.dentry, not *kernfs.Dentry goroutine 1814724 [running]: panic({0x31f0a0, 0xc00583c8d0}) GOROOT/src/runtime/panic.go:987 +0x3ba fp=0xc001ff0e90 sp=0xc001ff0dd0 pc=0x124a55a runtime.panicdottypeE(...) GOROOT/src/runtime/iface.go:262 runtime.panicdottypeI(0xc00231e3c8?, 0x473c40, 0x36c380) GOROOT/src/runtime/iface.go:272 +0x7c fp=0xc001ff0eb8 sp=0xc001ff0e90 pc=0x121da3c gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).LinkAt(0xc000000b40, {0x834c78, 0xc005643500}, 0xc00158db00, {0xc00061fd80?, 0xc00969f950?}) pkg/sentry/fsimpl/kernfs/filesystem.go:367 +0xa4e fp=0xc001ff1118 sp=0xc001ff0eb8 pc=0x1828c0e gvisor.dev/gvisor/pkg/sentry/fsimpl/sys.(*filesystem).LinkAt(0xc000000b40, {0x834c78, 0xc005643500}, 0x1284565?, {0xc00061fd80?, 0xc00969f950?}) :1 +0x8a fp=0xc001ff1180 sp=0xc001ff1118 pc=0x210b2ea gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).LinkAt(0xc005643da0?, {0x834c78, 0xc005643500}, 0xc00231e360?, 0xc007b1cb00?, 0xc001ff13f8) pkg/sentry/vfs/vfs.go:296 +0x31d fp=0xc001ff1230 sp=0xc001ff1180 pc=0x178d97d gvisor.dev/gvisor/pkg/sentry/syscalls/linux.linkat(0xc005643500, 0x1284565?, 0x1444a52?, 0x1284537?, 0x101aaab78?, 0x0) pkg/sentry/syscalls/linux/sys_file.go:1029 +0x38c fp=0xc001ff14a8 sp=0xc001ff1230 pc=0x1c92b8c gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Linkat(0xc005643500?, {{0xffffffffffffff9c}, {0x200033c0}, {0x8}, {0x20003440}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:998 +0x48 fp=0xc001ff1500 sp=0xc001ff14a8 pc=0x1c927a8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc005643500, 0x109, {{0xffffffffffffff9c}, {0x200033c0}, {0x8}, {0x20003440}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x9b9 fp=0xc001ff19e0 sp=0xc001ff1500 pc=0x1aab499 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc005643500, 0x0?, {{0xffffffffffffff9c}, {0x200033c0}, {0x8}, {0x20003440}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc001ff1a78 sp=0xc001ff19e0 pc=0x1aad27d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007e85ba0?, 0xc006e4ae10?, {{0xffffffffffffff9c}, {0x200033c0}, {0x8}, {0x20003440}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x8f fp=0xc001ff1af0 sp=0xc001ff1a78 pc=0x1aacc2f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc005643500) pkg/sentry/kernel/task_syscall.go:257 +0x4c5 fp=0xc001ff1c18 sp=0xc001ff1af0 pc=0x1aac7c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc005643500?, 0xc005643500) pkg/sentry/kernel/task_run.go:259 +0x1b76 fp=0xc001ff1ec8 sp=0xc001ff1c18 pc=0x1a97296 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc005643500, 0x4160) pkg/sentry/kernel/task_run.go:94 +0x37b fp=0xc001ff1fb0 sp=0xc001ff1ec8 pc=0x1a94d7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc001ff1fe0 sp=0xc001ff1fb0 pc=0x1aa8f88 runtime.goexit() src/runtime/asm_amd64.s:1594 +0x1 fp=0xc001ff1fe8 sp=0xc001ff1fe0 pc=0x12815e1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1ad